#box{
  width: 800px;
  min-height: 500px;
  background: orange;
  margin: 0 auto;
  position: relative;
}
.ping{
  width: 60px;
}


.tip{
  position: absolute;
  display: none;
  width: 200px;
  height: 200px;
  top: 200px;
  left: 300px;
  background-color: blue;
  color: white;  
  text-align: center;
  line-height: 200px;
}
img{
  width: 20px;
}